/usr/share/pyshared/metadataserver/models/nodecommissionresult.py is in python-django-maas 1.2+bzr1373+dfsg-0ubuntu1~12.04.6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# GNU Affero General Public License version 3 (see the file LICENSE).
""":class:`NodeCommissionResult` model."""
from __future__ import (
absolute_import,
print_function,
unicode_literals,
)
__metaclass__ = type
__all__ = [
'NodeCommissionResult',
]
from django.db.models import (
CharField,
ForeignKey,
Manager,
Model,
)
from django.shortcuts import get_object_or_404
from maasserver.models.cleansave import CleanSave
from metadataserver import DefaultMeta
class NodeCommissionResultManager(Manager):
"""Utility to manage a collection of :class:`NodeCommissionResult`s."""
def clear_results(self, node):
"""Remove all existing results for a node."""
self.filter(node=node).delete()
def store_data(self, node, name, data):
"""Store data about a node."""
existing, created = self.get_or_create(
node=node, name=name, defaults=dict(data=data))
if not created:
existing.data = data
existing.save()
def get_data(self, node, name):
"""Get data about a node."""
ncr = get_object_or_404(NodeCommissionResult, node=node, name=name)
return ncr.data
class NodeCommissionResult(CleanSave, Model):
"""Storage for data returned from node commissioning.
Commissioning a node results in various bits of data that need to be
stored, such as lshw output. This model allows storing of this data
as unicode text, with an arbitrary name, for later retrieval.
:ivar node: The context :class:`Node`.
:ivar name: A unique name to use for the data being stored.
:ivar data: The file's actual data, unicode only.
"""
class Meta(DefaultMeta):
unique_together = ('node', 'name')
objects = NodeCommissionResultManager()
node = ForeignKey(
'maasserver.Node', null=False, editable=False, unique=False)
name = CharField(max_length=100, unique=False, editable=False)
data = CharField(max_length=1024 * 1024, editable=True)
|